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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 5900HX vs Ryzen 9 7940HS vs Intel i7-14650HX

All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 5079 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD Ryzen 9 5900HX×AMD Ryzen 9 7940HS×Intel Core i7-14650HX+ ADD
Price Search Online Search Online Search Online
Socket TypeFP6FP7 FP7r2 FP8FCBGA1964
CPU ClassLaptopLaptopLaptop
Clockspeed3.3 GHz4.0 GHz2.2 GHz
Turbo SpeedUp to 4.6 GHzUp to 5.2 GHzUp to 5.2 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)16 (Threads: 24)
CacheL1: 512KB, L2: 4.0MB, L3: 16MBL1: 512KB, L2: 8.0MB, L3: 16MBL1: 1,408KB, L2: 24.0MB, L3: 30MB
TDP45W54W55W
Yearly Running Cost$8.21$9.86$10.04
Otherwith Radeon Graphicsw/ Radeon 780M GraphicsIntel UHD Graphics for 14th Gen Intel Processors
First Seen on ChartQ1 2021Q2 2023Q1 2024
# of Samples30261665388
CPU Value0.00.071.3
Single Thread Rating(% diff. to max in group)3183(-18.6%)3882(-0.7%)3911(0.0%)
CPU Mark(% diff. to max in group)22392(-36.5%)30151(-14.5%)35281(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of April 2025 - Higher results represent better performance
AMD Ryzen 9 5900HX
22,392
AMD Ryzen 9 7940HS
30,151
Intel Core i7-14650HX
35,281
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 25th of April 2025 - Higher results represent better value
AMD Ryzen 9 5900HX
NA
AMD Ryzen 9 7940HS
NA
Intel Core i7-14650HX
71.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 25th of April 2025 - Higher results represent better performance
AMD Ryzen 9 5900HX
3,183
AMD Ryzen 9 7940HS
3,882
Intel Core i7-14650HX
3,911
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Ryzen 9 5900HX AMD Ryzen 9 7940HS Intel Core i7-14650HX
Max TDP45W54W55W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.